/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineStatsInterface.h
A pair of a user and an array of their stats
typedef [FOnlineUserStatsPair](API\Plugins\OnlineSubsystem\Interfaces\FOnlineUserStatsPair)< [FOnlineStatValue](API\Plugins\OnlineSubsystem\Interfaces\FOnlineStatValue) > FOnlineStatsUserStats